Add Mohammed Muntasir Rahman Joy to developer directory (#341)

* Add Mohammed Muntasir Rahman Joy to developer directory

* Update src/users/muntasiractive.yaml

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Co-authored-by: John Bampton <jbampton@users.noreply.github.com>

Author: muntasiractive

src/users/muntasiractive.yaml

@@ -0,0 +1,15 @@
+name: Mohammed Muntasir Rahman Joy
+github: muntasiractive
+website: https://www.muntasir.site
+email: message@muntasir.site
+instagram: https://instagram.com/muntasiractive
+twitter: https://twitter.com/muntasiractive
+linkedin: https://linkedin.com/in/muntasiractive
+country: Bangladesh
+location: Dhaka
+role: Full Stack Developer
+languages: JavaScript C++ Python Java
+bio: |
+  A Branding and Workflow Architect and Web Developer, creating scalable solutions that blend technical expertise with creative problem solving.
+
+  I provide workflow, design architecture, asset optimization, digital communication, and branding strategies to strengthen your digital presence.